5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
41 lines
1.0 KiB
C
41 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/******************************************************************************
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* Xen balloon functionality
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*/
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#ifndef _XEN_BALLOON_H
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#define _XEN_BALLOON_H
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#define RETRY_UNLIMITED 0
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struct balloon_stats {
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/* We aim for 'current allocation' == 'target allocation'. */
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unsigned long current_pages;
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unsigned long target_pages;
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unsigned long target_unpopulated;
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/* Number of pages in high- and low-memory balloons. */
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unsigned long balloon_low;
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unsigned long balloon_high;
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unsigned long total_pages;
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unsigned long schedule_delay;
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unsigned long max_schedule_delay;
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unsigned long retry_count;
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unsigned long max_retry_count;
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};
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extern struct balloon_stats balloon_stats;
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void balloon_set_new_target(unsigned long target);
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int alloc_xenballooned_pages(int nr_pages, struct page **pages);
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void free_xenballooned_pages(int nr_pages, struct page **pages);
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#ifdef CONFIG_XEN_BALLOON
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void xen_balloon_init(void);
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#else
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static inline void xen_balloon_init(void)
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{
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}
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#endif
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#endif /* _XEN_BALLOON_H */
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